Overview
Crawford Substation is an operational electrical substation in Chicago, Illinois, operated by Commonwealth Edison. It operates at 138 kV, serving the regional power grid.
Crawford Substation is an operational electrical substation located in Chicago, Illinois, United States. Owned and operated by Commonwealth Edison (ComEd), a major utility serving northern Illinois, the facility plays a key role in the regional transmission and distribution network. The substation operates at a voltage of 138 kV, which is a common sub-transmission level in the US, connecting bulk power systems to local distribution networks. As part of ComEd's infrastructure, Crawford Substation is subject to North American Electric Reliability Corporation (NERC) reliability standards and Federal Energy Regulatory Commission (FERC) regulations for transmission-level assets. The 138 kV voltage level places it in the medium-to-high voltage range, typical for urban substations that support dense load centers. The facility likely employs modern switchgear and automation systems compliant with IEEE standards, ensuring grid stability and reliability. Located in an urban area of Chicago, Crawford Substation contributes to the electrical infrastructure serving residential, commercial, and industrial customers. Its operational status ensures continuous power supply to the local community, supporting economic activity and daily life. The substation's integration into ComEd's network underscores its importance in maintaining grid resilience and meeting the region's growing energy demands.
Environmental context
The substation's urban location in Chicago means it operates within a densely populated area, where electromagnetic fields and noise are managed through standard mitigation measures. The facility's 138 kV voltage level is typical for urban substations, which are often designed with compact layouts to minimize land use. ComEd adheres to environmental regulations regarding SF6 gas management and stormwater runoff, reducing local ecological impact.
Frequently asked questions
Crawford Substation is located in Chicago, Illinois, United States, at coordinates 41.827119, -87.726324.
Crawford Substation is owned and operated by Commonwealth Edison (ComEd), a major electric utility serving northern Illinois.
Crawford Substation operates at a voltage of 138 kV, which is a common sub-transmission voltage level in the United States.
As part of the US electrical grid, Crawford Substation must comply with NERC reliability standards and FERC regulations for transmission-level assets.
A 138 kV substation typically steps down high-voltage transmission power for distribution to local networks, serving urban and industrial areas with reliable electricity.